In message <20060221191056.GU17213@charon.lan.0x54434D.net>, Nino Dehne writes:
>and I can confirm that both my boards read DP83816 directly on the chip.
>The interfaces come up as

>  sip0 at pci0 dev 14 function 0: NatSemi DP83815 10/100 Ethernet, rev 00

Cool.  I have mine working now; it had a couple of problems.  I've updated
the driver to:
1.  Use dev_propdb for mac addr, if specified, rather than trusting the
eeprom.
2.  Identify specific model/revision.
3.  Not do the cable magic hack on later revision 83816 boards.

>Soekris boards use the same chip, but there have been issues where some
>boards obviously left the manufacturer without testing and had no MAC
>address programmed in. These showed up as all Fs as well. Just FYI.

Yup.  

-s